////  AbstractAudioInterface.h//  libraries/audio/src////  Created by Brad Hefta-Gaub on 12/4/13.//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #ifndef hifi_AbstractAudioInterface_h#define hifi_AbstractAudioInterface_h #include <QtCore/QObject>#include <QtMultimedia/qaudiooutput.h> #include <udt/PacketHeaders.h> #include "AudioInjectorOptions.h"#include "AudioInjector.h"#include "AudioSolo.h" class AudioInjector;class AudioInjectorLocalBuffer;class Transform; class AbstractAudioInterface : public QObject {    Q_OBJECTpublic:    AbstractAudioInterface(QObject* parent = 0) : QObject(parent) {};     static void emitAudioPacket(const void* audioData, size_t bytes, quint16& sequenceNumber, bool isStereo,                                const Transform& transform, glm::vec3 avatarBoundingBoxCorner, glm::vec3 avatarBoundingBoxScale,                                PacketType packetType, QString codecName = QString(""));     // threadsafe    // moves injector->getLocalBuffer() to another thread (so removes its parent)    // take care to delete it when ~AudioInjector, as parenting Qt semantics will not work    virtual bool outputLocalInjector(const AudioInjectorPointer& injector) = 0;     virtual AudioSolo& getAudioSolo() = 0; public slots:    virtual bool shouldLoopbackInjectors() { return false; }     virtual bool setIsStereoInput(bool stereo) = 0;    virtual bool isStereoInput() = 0;     virtual bool getLocalEcho() = 0;    virtual void setLocalEcho(bool localEcho) = 0;    virtual void toggleLocalEcho() = 0;     virtual bool getServerEcho() = 0;    virtual void setServerEcho(bool serverEcho) = 0;    virtual void toggleServerEcho() = 0; signals:    void isStereoInputChanged(bool isStereo);}; Q_DECLARE_METATYPE(AbstractAudioInterface*) #endif // hifi_AbstractAudioInterface_h